Ten kilos of grapes can brew about 6-8 kilos of wine. Generally, the wine yield of homemade wine is about 50%, and five kilos of grapes are produced. If two kilos of sugar are added, about 70% can be produced, that is, about 6-8 kilos can be produced.

Grape, a plant of the genus Vitaceae, is native to western Asia. Grape is one of the oldest fruit tree species in the world. The fossil plants of grape were found in Tertiary strata, indicating that they were all over Europe, Asia and Greenland at that time.

About 95% of grapes from all over the world are concentrated in the northern hemisphere. The main producing areas in China are Xiaoxian County in Anhui, Turpan and Hotan in Xinjiang, Yantai in Shandong and Zhangjiakou in Hebei.